confining

/K AH0 N F AY1 N IH0 NG/
verb
  1. 1

    To restrict; to keep within bounds; to shut or keep in a limited space or area.

  2. 2

    To have a common boundary; to border; to lie contiguous; to touch; followed by on or with.

adjective
  1. 1

    Limiting; restrictive

Source: https://en.wiktionary.org/wiki/confine, https://en.wiktionary.org/wiki/confining